package cn.yunhe.sqlsessionutil;


import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

import java.io.IOException;
import java.io.Reader;


public class SqlSessionUtil {
    private static SqlSessionFactory factory = null ;
    private SqlSessionUtil(){}
    static{
        Reader reader = null;
        try {
         reader  =   Resources.getResourceAsReader("mybatis.xml");
        factory  =  new SqlSessionFactoryBuilder().build(reader);
        } catch (IOException e) {
            e.printStackTrace();
        }finally {
            if(reader !=null){
                try {
                    reader.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }

    public static SqlSession getSqlSession(){
        return factory.openSession();
    }
}
